US3561056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool set for powder compacting press
Assignee: Wolverine Pentronix Inc
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Filing: 1968-10-15
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Granted: 1971-02-09
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Expires: 1988-10-15
Abstract
Abstract A TOOL SET COMPRISING A DIE PLATE HAVING PUNCH APERTURES AND DISCHARGE APERTURES, PUNCHES FOR SAID PUNCH APERTURES CONTAINING CORE RODS HELD IMMOVABLE IN RELATION TO SAID PUNCHES AND LOCKABLE IN POSITION SO AS TO BE FLUSH WITH THE SURFACE OF SAID DIE PLATE.
Inventors
- 👤 Joseph E Smith
- 👤 Georges D De Troyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:14
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/30; B30B15/302; B30B15/304; B30B11/00; B30B11/02; B30B11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |